CVE-2024-21878

CRITICALCVSS 9.2/10EPSS 1.43%

Last modified

CVE-2024-21878 is a critical-severity vulnerability rated 9.2/10 on the CVSS scale. Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Enphase IQ Gateway (formerly known as Envoy) allows OS Command Injection. This vulnerability is present in an internal script.This issue affects Envoy: from 4.x up to and including 8.x and is currently unpatched.. EPSS estimates a 1.43% chance of exploitation in the next 30 days.

Description

Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Enphase IQ Gateway (formerly known as Envoy) allows OS Command Injection. This vulnerability is present in an internal script.This issue affects Envoy: from 4.x up to and including 8.x and is currently unpatched.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0
9.2/10

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:I/V:C/RE:H/U:X

EPSS Probability
1.43%

69.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
EnphaseIq Gateway Firmware>= 4.0, < 8.2.4225

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-21878?
Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Enphase IQ Gateway (formerly known as Envoy) allows OS Command Injection. This vulnerability is present in an internal script.This issue affects Envoy: from 4.x up to and including 8.x and is currently unpatched.
How severe is CVE-2024-21878?
CVE-2024-21878 has a CVSS score of 9.2/10 (CRITICAL severity). The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.
How do I fix CVE-2024-21878?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21878?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST